Area Code 307-313 located in EVANSTON, UINTA, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 313 City : EVANSTON County : UINTA State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 7/18/2007 FIPS (Federal Information Processing Standards) : 56041 LATA (Local Access Transport Area) : 654 Rate Center : EVANSTON ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 82930 Other Information NPANXX : 307313 County Population : 0 MSA CBSA (Core Based Statistical Area) : Evanston, WY MSA CBSA Code (Core Based Statistical Area) : 21740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - WY OCN (Operating Company Number) : 9416 Coverage Area Name : EVANSTON Latitude : 41.2677 Longitude : -110.9671 ‹ previous : 307-312 next › : 307-314 Telephone Number List 307-313-0000 ~ 307-313-9999